﻿#region Copyright & License
//
// Project: Quark Framework
// Project site: http://quark.codeplex.com
// See the copyright statement on the project site for more details.
//
// Licensed to the Apache Software Foundation (ASF) under one or more 
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership. 
// The ASF licenses this file to you under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with 
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#endregion

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;

namespace Quark.Framework.Threading
{
    /// <summary>
    /// 线程安全的长整型值类
    /// </summary>
    [Serializable()]
    public sealed class AtomicLong
    {
         #region Members

        private long _value;

        #endregion

        #region Constructors

        /// <summary/>
        public AtomicLong()
        {
        }

        /// <summary/>
        public AtomicLong(long initialValue)
        {
            this._value = initialValue;
        }

        #endregion

        #region 值访问

        /// <summary>
        /// 获取或设置当前值
        /// </summary>
        public long Value
        {
            get { return Interlocked.Read(ref _value); }
            set { Interlocked.Exchange(ref _value, value); }
        }

        #endregion
    }
}
